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  • Question 1 - A 3-year-old girl is brought to the Emergency Department, during the autumn period,...

    Incorrect

    • A 3-year-old girl is brought to the Emergency Department, during the autumn period, with severe dyspnoea at rest. She has been unwell for the past week with a barking cough and inspiratory stridor which are typically worse in the late evening. On examination, intercostal and subdiaphragmatic recessions are noticeable. A chest radiograph shows tapering of the upper trachea.
      What is the most probable pathogen responsible for this girl's condition?

      Your Answer: Respiratory syncytial virus

      Correct Answer: Parainfluenza virus

      Explanation:

      The most likely cause of this patient’s dyspnoea at rest, combined with being generally unwell and the time of year, is croup. Croup is commonly caused by the parainfluenza virus. Bordetella pertussis, Parvovirus B19, and Respiratory syncytial virus are unlikely causes as they present with different symptoms and are associated with different conditions.

      Understanding Croup: A Respiratory Infection in Infants and Toddlers

      Croup is a type of upper respiratory tract infection that commonly affects infants and toddlers. It is characterized by a barking cough, fever, and coryzal symptoms, and is caused by a combination of laryngeal oedema and secretions. Parainfluenza viruses are the most common cause of croup. The condition typically peaks between 6 months and 3 years of age, and is more prevalent during the autumn season.

      The severity of croup can be graded based on the presence of symptoms such as stridor, cough, and respiratory distress. Mild cases may only have occasional barking cough and no audible stridor at rest, while severe cases may have frequent barking cough, prominent inspiratory stridor at rest, and marked sternal wall retractions. Children with moderate or severe croup, those under 6 months of age, or those with known upper airway abnormalities should be admitted to the hospital.

      Diagnosis of croup is usually made based on clinical presentation, but a chest x-ray may show subglottic narrowing, commonly referred to as the steeple sign. Treatment for croup typically involves a single dose of oral dexamethasone or prednisolone, regardless of severity. In emergency situations, high-flow oxygen and nebulized adrenaline may be necessary.

      Understanding croup is important for parents and healthcare providers alike, as prompt recognition and treatment can help prevent complications and improve outcomes for affected children.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 2 - You are summoned to the neonatal ward to assess a 12 hour old...

    Correct

    • You are summoned to the neonatal ward to assess a 12 hour old infant delivered via elective caesarian section at 38 weeks gestation. Upon reviewing the medical records, you come across the administration of maternal labetalol for hypertension. During the physical examination, you observe that the baby displays tremors and decreased muscle tone. What would be the most suitable course of action to take next?

      Your Answer: Measure blood glucose levels

      Explanation:

      If a baby appears nervous and has low muscle tone, it could indicate neonatal hypoglycemia. It is important to check the baby’s blood glucose levels, especially if the mother has been taking labetalol. Additionally, if the mother has used opiates or illegal drugs during pregnancy, the baby may also exhibit symptoms of neonatal abstinence syndrome.

      Neonatal Hypoglycaemia: Causes, Symptoms, and Management

      Neonatal hypoglycaemia is a common condition in newborn babies, especially in the first 24 hours of life. While there is no agreed definition, a blood glucose level of less than 2.6 mmol/L is often used as a guideline. Transient hypoglycaemia is normal and usually resolves on its own, but persistent or severe hypoglycaemia may be caused by various factors such as preterm birth, maternal diabetes mellitus, IUGR, hypothermia, neonatal sepsis, inborn errors of metabolism, nesidioblastosis, or Beckwith-Wiedemann syndrome.

      Symptoms of neonatal hypoglycaemia can be autonomic, such as jitteriness, irritability, tachypnoea, and pallor, or neuroglycopenic, such as poor feeding/sucking, weak cry, drowsiness, hypotonia, and seizures. Other features may include apnoea and hypothermia. Management of neonatal hypoglycaemia depends on the severity of the condition and whether the newborn is symptomatic or not. Asymptomatic babies can be encouraged to feed normally and have their blood glucose monitored, while symptomatic or severely hypoglycaemic babies may need to be admitted to the neonatal unit and receive intravenous infusion of 10% dextrose.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 3 - A mother brings her 3-year-old son to see the GP as his walk...

    Correct

    • A mother brings her 3-year-old son to see the GP as his walk has changed. She explains that he started walking shortly after 13 months old. She has noticed that, over the last 3 days, his walking has been different. There is no history of trauma.

      The GP assesses him and notices an asymmetric gait. He appears well otherwise and basic observations are within normal limits. He is up-to-date with his immunisations and is developing normally.

      What would be the most suitable course of action to take next?

      Your Answer: Refer for urgent paediatric assessment

      Explanation:

      It is imperative to promptly schedule an evaluation for a child under the age of three who is experiencing a sudden limp.

      Causes of Limping in Children

      Limping in children can be caused by various factors, which may differ depending on the child’s age. One possible cause is transient synovitis, which has an acute onset and is often accompanied by viral infections. This condition is more common in boys aged 2-12 years. On the other hand, septic arthritis/osteomyelitis may cause a child to feel unwell and have a high fever. Juvenile idiopathic arthritis may cause a painless limp, while trauma can usually be diagnosed through the child’s history. Development dysplasia of the hip is usually detected in neonates and is six times more common in girls. Perthes disease, which is due to avascular necrosis of the femoral head, is more common in children aged 4-8 years. Finally, slipped upper femoral epiphysis may occur in children aged 10-15 years and is characterized by the displacement of the femoral head epiphysis postero-inferiorly. It is important to identify the cause of a child’s limp in order to provide appropriate treatment and prevent further complications.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 4 - A 5-year-old boy with an otherwise unremarkable medical history develops an ulcer in...

    Incorrect

    • A 5-year-old boy with an otherwise unremarkable medical history develops an ulcer in his ileum. What is the most likely congenital birth defect that caused his condition?

      Your Answer: Gastroschisis

      Correct Answer: Meckel’s diverticulum

      Explanation:

      Common Congenital Abnormalities of the Digestive System

      The digestive system can be affected by various congenital abnormalities that can cause significant health problems. Here are some of the most common congenital abnormalities of the digestive system:

      Meckel’s Diverticulum: This condition is caused by the persistence of the vitelline duct and is found in the small intestine. It can contain ectopic gastric mucosa and can cause painless rectal bleeding, signs of obstruction, or acute appendicitis-like symptoms. Treatment involves excision of the diverticulum and its adjacent ileal segment.

      Pyloric Stenosis: This congenital condition is associated with hypertrophy of the pyloric muscle and presents with projectile, non-bilious vomiting at around 4-8 weeks of age.

      Tracheo-Oesophageal Fistula: This condition is associated with a communication between the oesophagus and the trachea and is often associated with oesophageal atresia. Infants affected struggle to feed and may develop respiratory distress due to aspiration of feed into the lungs.

      Gastroschisis: This is a ventral abdominal wall defect where part of the bowel, and sometimes the stomach and liver, herniate through the defect outside the body. It is corrected surgically by returning the herniating organs to the abdominal cavity and correcting the defect.

      Omphalocele: This is an abdominal wall defect in the midline where the gut fails to return through the umbilicus to the abdominal cavity during embryonic development. The protruded organs are covered by a membrane, and correction is surgical by returning the herniating organs into the abdominal cavity and correcting the umbilical defect.

      In conclusion, these congenital abnormalities of the digestive system require prompt diagnosis and treatment to prevent complications and improve outcomes.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 5 - A 16-year-old boy visits the GP with his father. His father is worried...

    Incorrect

    • A 16-year-old boy visits the GP with his father. His father is worried as he has noticed scars on his son's arms and after a lengthy conversation, his son has confessed to self-harming on multiple occasions. The GP has decided to refer the boy to CAMHS (Child and Adolescent Mental Health Services). What is the most appropriate approach to minimize the likelihood of future self-harm?

      Your Answer: Counselling

      Correct Answer: Cognitive behavioural therapy

      Explanation:

      Treatment Options for Self-Harm: Psychological Interventions and Care Plans

      Self-harm is a serious issue that requires appropriate treatment. While drug treatment is not recommended, psychological interventions such as cognitive behavioural therapy (CBT), psychodynamic therapy, and problem-solving therapy can be effective. It is important to offer sessions of a psychological intervention that are specifically structured for people who self-harm, while also tailoring the treatment plan to each individual. Family therapy is not recommended for this particular issue. Developing a care plan with agreed-upon aims for longer-term treatment is also crucial. Overall, a combination of psychological interventions and care plans can help reduce self-harm.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 6 - You are on duty in the paediatric acute admissions unit during winter when...

    Incorrect

    • You are on duty in the paediatric acute admissions unit during winter when you are called to assess a 16-month-old toddler presenting with a runny nose, dry cough, increased respiratory effort, and an elevated respiratory rate. Upon examination, you note a mild generalised wheeze, along with fever and feeding difficulties. What is the probable diagnosis?

      Your Answer:

      Correct Answer: Bronchiolitis

      Explanation:

      Respiratory Conditions in Children: Understanding the Differences

      Bronchiolitis, Pneumonia, Asthma, Viral Upper Respiratory Tract Infection (URTI), and Croup are all respiratory conditions that can affect children. However, it is important to understand the differences between them in order to provide appropriate treatment.

      Bronchiolitis is a common respiratory condition caused by the respiratory syncytial virus (RSV) that mostly affects children under 18 months old. It presents with coryzal symptoms before progressing to dyspnoea, cough, and fever. Difficulty feeding may occur due to dyspnoea, but most cases do not require admission.

      Pneumonia, on the other hand, is likely to present with a toxic child due to the bacteraemia. Localising signs such as dullness to percussion over the affected lobe may also be present.

      Asthma, which causes wheezing, would not cause fever. It is also important to note that the diagnosis of asthma should be avoided in patients below the age of 5.

      A viral URTI confined to the upper respiratory tract would not cause wheezing or significant respiratory compromise as described in the case history.

      Croup, which typically affects older children between the ages of 2-6 years, presents with a barking cough and, in severe cases, stridor.

      Understanding the differences between these respiratory conditions is crucial in providing appropriate treatment and care for children.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 7 - A 7-year-old boy comes to the doctor's office with his mother, reporting pain...

    Incorrect

    • A 7-year-old boy comes to the doctor's office with his mother, reporting pain in his left hip. The mother mentions that he had a recent bout of the flu. Upon examination, the boy appears alert with a heart rate of 80 bpm, respiratory rate of 20 breaths/min, temperature of 38.5ºC, blood pressure of 120/80 mmHg, and oxygen saturations of 98% on room air. What is the best course of action for management?

      Your Answer:

      Correct Answer: Refer for same-day assessment

      Explanation:

      If a child is experiencing hip pain or a limp and also has a fever, it is crucial to refer them for immediate assessment, even if the suspected diagnosis is transient synovitis.

      Transient synovitis is often the cause of hip pain in children following a previous illness, such as the flu. However, discharging the patient with oral antibiotics is not recommended as this condition is typically managed conservatively. Antibiotics may only be necessary if there are signs of a septic joint.

      Similarly, discharging the patient with pain relief alone is not appropriate. Although a septic joint is unlikely, it cannot be ruled out without a formal assessment by orthopaedics.

      Reassuring the patient and discharging them without assessment is also not an option. Given the child’s current fever and recent illness history, it is essential to conduct a thorough evaluation before considering discharge.

      It is critical to refer a child with hip pain and a fever for same-day assessment to rule out the possibility of a septic joint. However, routine referral to orthopaedics is not necessary as this may cause unnecessary delays in urgent assessment.

      Transient synovitis, also known as irritable hip, is a common cause of hip pain in children aged 3-8 years. It typically occurs following a recent viral infection and presents with symptoms such as groin or hip pain, limping or refusal to weight bear, and occasionally a low-grade fever. However, a high fever may indicate other serious conditions such as septic arthritis, which requires urgent specialist assessment. To exclude such diagnoses, NICE Clinical Knowledge Summaries recommend monitoring children in primary care with a presumptive diagnosis of transient synovitis, provided they are aged 3-9 years, well, afebrile, mobile but limping, and have had symptoms for less than 72 hours. Treatment for transient synovitis involves rest and analgesia, as the condition is self-limiting.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 8 - The mother of a 3-year-old boy contacts you for advice on febrile convulsions....

    Incorrect

    • The mother of a 3-year-old boy contacts you for advice on febrile convulsions. Her son had his first seizure a few days ago while suffering from a viral respiratory infection. She describes it as a typical, simple febrile convulsion lasting 2-3 minutes with full recovery in about 30 minutes. The mother recalls being informed that there is a risk of recurrence, but she was not given any treatment and was discharged home. She wants to know when she should call an ambulance if it happens again.

      Your Answer:

      Correct Answer: A further simple febrile convulsion lasting > 5 minutes

      Explanation:

      Parents should be informed that if their child experiences a febrile convulsion lasting more than 5 minutes, they should call for an ambulance. While some children may have recurrent febrile convulsions, simple ones typically last up to 15 minutes and result in complete recovery within an hour. In these cases, parents can manage their child at home with clear guidance on when to seek medical help, including the use of buccal midazolam or rectal diazepam. However, if a febrile convulsion lasts longer than 5 minutes, an ambulance should be called. If there is a subsequent convulsion lasting less than 5 minutes with a recovery time of 30-60 minutes, the child may be able to stay at home. However, if a febrile convulsion lasts longer than 10 or 15 minutes, an ambulance should have already been called after the initial 5 minutes.

      Febrile convulsions are seizures caused by fever in children aged 6 months to 5 years. They typically last less than 5 minutes and are most commonly tonic-clonic. There are three types: simple, complex, and febrile status epilepticus. Children who have had a first seizure or any features of a complex seizure should be admitted to pediatrics. Regular antipyretics do not reduce the chance of a febrile seizure occurring. The overall risk of further febrile convulsion is 1 in 3, with risk factors including age of onset, fever duration, family history, and link to epilepsy. Children without risk factors have a 2.5% risk of developing epilepsy, while those with all three features have a much higher risk.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 9 - A 38-week-old neonate has been born with an abdominal defect described as 7...

    Incorrect

    • A 38-week-old neonate has been born with an abdominal defect described as 7 cm of herniated bowel through the abdominal wall. The bowel is exposed without a covering. The patient is hypotensive (50/30), tachycardic (220 bpm) and hypothermic (35.2 °C). Bloods were taken, which showed the following:
      Investigation Result Normal value
      Haemoglobin 190 g/l Female: 115–155 g/l
      Male: 135–175 g/l
      White cell count 30 × 109/l 4–11 × 109/l
      C-reactive protein (CRP) 25 mg/l 0–10 mg/l
      What is the most appropriate management?

      Your Answer:

      Correct Answer: Incubate, fluid-resuscitate, pass nasogastric (NG) tube, surgery within a few hours

      Explanation:

      Management of Gastroschisis in Neonates

      Gastroschisis is a condition in which the abdominal contents herniate through the abdominal wall, without the covering of a sac of amniotic membrane and peritoneum. This poses a higher risk to the neonate than exomphalos, which has a covering. The management of gastroschisis involves incubation to maintain body temperature, fluid-resuscitation to prevent dehydration and hypovolaemia, and surgical intervention within a few hours, unless there is evidence of impaired bowel perfusion. Elective surgery is not appropriate for gastroschisis. Restricting fluids would result in organ hypoperfusion and death. Abdominal X-rays are not necessary, and surgical review is obviously appropriate, but surgical intervention is the priority.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 10 - Which of the following is not a characteristic of Tetralogy of Fallot? ...

    Incorrect

    • Which of the following is not a characteristic of Tetralogy of Fallot?

      Your Answer:

      Correct Answer: Atrial septal defect

      Explanation:

      Understanding Tetralogy of Fallot

      Tetralogy of Fallot (TOF) is a congenital heart disease that results from the anterior malalignment of the aorticopulmonary septum. It is the most common cause of cyanotic congenital heart disease, and it typically presents at around 1-2 months, although it may not be detected until the baby is 6 months old. The condition is characterized by four features, including ventricular septal defect (VSD), right ventricular hypertrophy, right ventricular outflow tract obstruction, and overriding aorta. The severity of the right ventricular outflow tract obstruction determines the degree of cyanosis and clinical severity.

      Other features of TOF include cyanosis, which may cause episodic hypercyanotic ‘tet’ spells due to near occlusion of the right ventricular outflow tract. These spells are characterized by tachypnea and severe cyanosis that may occasionally result in loss of consciousness. They typically occur when an infant is upset, in pain, or has a fever, and they cause a right-to-left shunt. Additionally, TOF may cause an ejection systolic murmur due to pulmonary stenosis, and a right-sided aortic arch is seen in 25% of patients. Chest x-ray shows a ‘boot-shaped’ heart, while ECG shows right ventricular hypertrophy.

      The management of TOF often involves surgical repair, which is usually undertaken in two parts. Cyanotic episodes may be helped by beta-blockers to reduce infundibular spasm. However, it is important to note that at birth, transposition of the great arteries is the more common lesion as patients with TOF generally present at around 1-2 months. Understanding the features and management of TOF is crucial for healthcare professionals to provide appropriate care and treatment for affected infants.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 11 - A mother has delivered a baby with significant microcephaly and a missing philtrum....

    Incorrect

    • A mother has delivered a baby with significant microcephaly and a missing philtrum. During examination, a pansystolic murmur is detected. The mother did not receive any prenatal care at this hospital and cannot remember if any abnormalities were detected during the prenatal period. What maternal prenatal occurrences could have led to the infant's abnormalities and presentation?

      Your Answer:

      Correct Answer: Maternal alcohol use

      Explanation:

      If a mother experiences a primary infection between weeks 3-28 of pregnancy, the developing foetus may be affected due to deactivation while still in the womb. This can result in various features such as skin scarring, eye defects (including small eyes, cataracts, or chorioretinitis), and neurological defects (such as reduced IQ, abnormal sphincter function, and microcephaly).

      Understanding Fetal Alcohol Syndrome

      Fetal alcohol syndrome is a condition that occurs when a pregnant woman consumes alcohol, which can lead to various physical and mental abnormalities in the developing fetus. At birth, the baby may exhibit symptoms of alcohol withdrawal, such as irritability, hypotonia, and tremors.

      The features of fetal alcohol syndrome include a short palpebral fissure, a thin vermillion border or hypoplastic upper lip, a smooth or absent philtrum, learning difficulties, microcephaly, growth retardation, epicanthic folds, and cardiac malformations. These physical characteristics can vary in severity and may affect the child’s overall health and development.

      It is important for pregnant women to avoid alcohol consumption to prevent fetal alcohol syndrome and other potential complications. Early diagnosis and intervention can also help improve outcomes for children with fetal alcohol syndrome. By understanding the risks and consequences of alcohol use during pregnancy, we can work towards promoting healthier pregnancies and better outcomes for children.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 12 - The pediatrician is asked to review a 4 hour old term baby by...

    Incorrect

    • The pediatrician is asked to review a 4 hour old term baby by the nurse. The mother had no antenatal concerns and was not on any medication during pregnancy. The baby has not yet latched to the breast and appears lethargic. A heel prick blood sugar test was done and the result was as follows:
      Glucose 2.5 mmol/L (4.0-5.9)

      Upon examination, the baby was easily rousable and had a good suck. He had normal tone and cardiovascular examination was unremarkable. However, he had not passed urine or opened his bowels yet.

      What should be the first step in the pediatrician's management plan for this baby?

      Your Answer:

      Correct Answer: Ask the breastfeeding support team to come and support mum and baby with attempting a further feed now

      Explanation:

      It is common for newborns to experience transient hypoglycemia in the first few hours after birth. If a mother wishes to breastfeed, she should be provided with support and guidance on proper latching techniques and encouraged to engage in skin-to-skin contact with her baby. If the baby is having difficulty feeding, the mother can be taught how to hand express and provide colostrum through alternative methods. Blood glucose levels should be monitored before and after each feeding, without more than three hours between feeds. If the baby is asymptomatic, buccal glucose can be administered in conjunction with a feeding plan. However, if the baby has not yet had a feed and is mildly hypoglycemic, action should be taken and blood sugar levels should be checked again prior to the next feeding. It is important to provide mothers with information and support to encourage breastfeeding, rather than immediately suggesting formula feeding for a well, asymptomatic term baby. These guidelines are based on the BAPM Framework for Practice’s Identification and Management of Neonatal Hypoglycemia in the Full Term Infant (2017).

      Neonatal Hypoglycaemia: Causes, Symptoms, and Management

      Neonatal hypoglycaemia is a common condition in newborn babies, especially in the first 24 hours of life. While there is no agreed definition, a blood glucose level of less than 2.6 mmol/L is often used as a guideline. Transient hypoglycaemia is normal and usually resolves on its own, but persistent or severe hypoglycaemia may be caused by various factors such as preterm birth, maternal diabetes mellitus, IUGR, hypothermia, neonatal sepsis, inborn errors of metabolism, nesidioblastosis, or Beckwith-Wiedemann syndrome.

      Symptoms of neonatal hypoglycaemia can be autonomic, such as jitteriness, irritability, tachypnoea, and pallor, or neuroglycopenic, such as poor feeding/sucking, weak cry, drowsiness, hypotonia, and seizures. Other features may include apnoea and hypothermia. Management of neonatal hypoglycaemia depends on the severity of the condition and whether the newborn is symptomatic or not. Asymptomatic babies can be encouraged to feed normally and have their blood glucose monitored, while symptomatic or severely hypoglycaemic babies may need to be admitted to the neonatal unit and receive intravenous infusion of 10% dextrose.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 13 - A 3-month-old infant is brought in with progressive noisy breathing that is particularly...

    Incorrect

    • A 3-month-old infant is brought in with progressive noisy breathing that is particularly noticeable during feeding. The baby is below average in weight gain and has a poor appetite. What is the probable diagnosis?

      Your Answer:

      Correct Answer: Laryngomalacia

      Explanation:

      The primary reason for stridor in infants is laryngomalacia, which is characterized by a soft epiglottis that collapses into the airway during inhalation. Although it typically resolves on its own, if the stridor worsens and causes respiratory distress or hinders feeding, surgery may be necessary to enhance the airway.

      Stridor in Children: Causes and Symptoms

      Stridor is a high-pitched, wheezing sound that occurs during breathing and is commonly seen in children. There are several causes of stridor in children, including croup, acute epiglottitis, inhaled foreign body, and laryngomalacia. Croup is a viral infection that affects the upper respiratory tract and is characterized by stridor, barking cough, fever, and coryzal symptoms. Acute epiglottitis is a rare but serious infection caused by Haemophilus influenzae type B, which can lead to airway obstruction. Inhaled foreign body can cause sudden onset of coughing, choking, vomiting, and stridor, depending on the site of impaction. Laryngomalacia is a congenital abnormality of the larynx that typically presents at 4 weeks of age with stridor.

      It is important to recognize the symptoms of stridor in children and seek prompt medical attention, especially if the child appears unwell or toxic. Treatment may include medications, such as corticosteroids or nebulized epinephrine, or in severe cases, intubation or tracheostomy. Prevention measures, such as vaccination against Haemophilus influenzae type B, can also help reduce the incidence of acute epiglottitis. Overall, early recognition and management of stridor in children can help prevent complications and improve outcomes.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 14 - An 18-year-old girl visits her GP with worries about not having started her...

    Incorrect

    • An 18-year-old girl visits her GP with worries about not having started her menstrual cycle yet. Apart from that, she feels healthy. During the examination, she appears to be of average height and has developed breasts, but has minimal pubic hair growth. The doctor can feel two lumps in her groin area upon examination of her abdomen. Her external genitalia seem normal. What is the probable diagnosis?

      Your Answer:

      Correct Answer: Androgen insensitivity syndrome

      Explanation:

      The patient’s presentation is consistent with androgen insensitivity, which is a genetic condition where individuals with XY chromosomes have female physical characteristics due to a lack of testosterone receptors in their tissues. This disorder is X-linked and often results in undescended testes. Congenital adrenal hyperplasia is unlikely as it typically causes early puberty and virilization, while Kallmann syndrome does not explain the presence of groin masses. Polycystic ovarian syndrome usually results in secondary amenorrhea or oligomenorrhea and is accompanied by other symptoms such as acne and hirsutism. Turner’s syndrome, which causes primary amenorrhea, is characterized by short stature, webbed neck, heart defects, and abnormal breast development, and does not involve undescended testes.

      Disorders of sex hormones can have various effects on the body, as shown in the table below. Primary hypogonadism, also known as Klinefelter’s syndrome, is characterized by high levels of LH and low levels of testosterone. Patients with this disorder often have small, firm testes, lack secondary sexual characteristics, and are infertile. They may also experience gynaecomastia and have an increased risk of breast cancer. Diagnosis is made through chromosomal analysis.

      Hypogonadotrophic hypogonadism, or Kallmann syndrome, is another cause of delayed puberty. It is typically inherited as an X-linked recessive trait and is caused by the failure of GnRH-secreting neurons to migrate to the hypothalamus. Patients with Kallmann syndrome may have hypogonadism, cryptorchidism, and anosmia. Sex hormone levels are low, and LH and FSH levels are inappropriately low or normal. Cleft lip/palate and visual/hearing defects may also be present.

      Androgen insensitivity syndrome is an X-linked recessive condition that causes end-organ resistance to testosterone, resulting in genotypically male children (46XY) having a female phenotype. Complete androgen insensitivity syndrome is the new term for testicular feminisation syndrome. Patients with this disorder may experience primary amenorrhoea, undescended testes causing groin swellings, and breast development due to the conversion of testosterone to oestradiol. Diagnosis is made through a buccal smear or chromosomal analysis to reveal a 46XY genotype. Management includes counseling to raise the child as female, bilateral orchidectomy due to an increased risk of testicular cancer from undescended testes, and oestrogen therapy.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 15 - A 7-year-old girl is brought to the Emergency Department by her parents. They...

    Incorrect

    • A 7-year-old girl is brought to the Emergency Department by her parents. They report that she has had an upper respiratory tract infection for the past few days. Upon arrival, she complains of an increased headache. Upon examination, she exhibits neck stiffness and a positive Kernig's sign.

      The following investigations were conducted:

      Investigation Result Normal value
      White cell count (WCC) 16.5 × 109/l 4–11 × 109/l
      Sodium (Na+) 143 mmol/l 135–145 mmol/l
      Creatinine 98 μmol/l 50–120 µmol/l
      Lumbar puncture Gram-negative diplococci –

      What is the next step in management?

      Your Answer:

      Correct Answer: Stat dose of cefotaxime

      Explanation:

      Management of Meningococcal Meningitis in Children: Prioritizing Antibiotic Administration

      Meningococcal meningitis is a serious condition that requires prompt management to prevent morbidity and mortality. The first step in management is administering a stat dose of third-generation cephalosporin antibiotics, such as cefotaxime or ceftriaxone, as early as possible after lumbar puncture. If lumbar puncture cannot be performed within 30 minutes of admission, empirical treatment should be considered.

      While other interventions, such as intubation and mechanical ventilation, correction of electrolyte abnormalities, and imaging studies like CT or MRI scans, may be necessary at some point in management, they should not take precedence over administering antibiotics. Urgent CT or MRI scans are only indicated if there are clinical signs and symptoms of raised intracranial pressure or complications of meningitis.

      In summary, the priority in managing meningococcal meningitis in children is administering antibiotics as early as possible to prevent the rapid dissemination of the disease and its associated morbidity and mortality.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 16 - A 6-month-old female infant is found to have a clicky left hip during...

    Incorrect

    • A 6-month-old female infant is found to have a clicky left hip during a routine check-up. What is the most suitable test to conduct?

      Your Answer:

      Correct Answer: X-ray

      Explanation:

      Developmental dysplasia of the hip (DDH) is a condition that affects 1-3% of newborns and is more common in females, firstborn children, and those with a positive family history or breech presentation. It used to be called congenital dislocation of the hip (CDH). DDH is more often found in the left hip and can be bilateral in 20% of cases. Screening for DDH is recommended for infants with certain risk factors, and all infants are screened using the Barlow and Ortolani tests at the newborn and six-week baby check. Clinical examination includes testing for leg length symmetry, restricted hip abduction, and knee level when hips and knees are flexed. Ultrasound is used to confirm the diagnosis if clinically suspected, but x-ray is the first line investigation for infants over 4.5 months. Management includes the use of a Pavlik harness for children under 4-5 months and surgery for older children with unstable hips.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 17 - A 15-year-old girl comes to your clinic with concerns about not having started...

    Incorrect

    • A 15-year-old girl comes to your clinic with concerns about not having started her menstrual cycle yet. As her physician, you decide to investigate the reason for this delay. During the physical examination, you observe that she has low set ears and a short stature. What type of murmur are you likely to detect upon auscultation?

      Your Answer:

      Correct Answer: Ejection systolic murmur

      Explanation:

      An ejection systolic murmur is commonly heard in individuals with Turner’s syndrome, which is often caused by a bicuspid aortic valve. Therefore, this is the most probable answer. Aortic or pulmonary regurgitation can cause early diastolic murmurs, while AV stenosis is associated with late diastolic murmurs. Late systolic murmurs are linked to mitral regurgitation, and aortic stenosis is associated with a pansystolic murmur. Given the patient’s symptoms and characteristics, it is essential to consider heart defects or murmurs that are commonly associated with Turner’s syndrome.

      Understanding Turner’s Syndrome

      Turner’s syndrome is a genetic disorder that affects approximately 1 in 2,500 females. It is caused by the absence of one sex chromosome (X) or a deletion of the short arm of one of the X chromosomes. This condition is denoted as 45,XO or 45,X.

      The features of Turner’s syndrome include short stature, a shield chest with widely spaced nipples, a webbed neck, a bicuspid aortic valve (15%), coarctation of the aorta (5-10%), primary amenorrhea, cystic hygroma (often diagnosed prenatally), a high-arched palate, a short fourth metacarpal, multiple pigmented naevi, lymphoedema in neonates (especially feet), and elevated gonadotrophin levels. Hypothyroidism is much more common in Turner’s syndrome, and there is also an increased incidence of autoimmune disease (especially autoimmune thyroiditis) and Crohn’s disease.

      In summary, Turner’s syndrome is a chromosomal disorder that affects females and can cause a range of physical features and health issues. Early diagnosis and management can help individuals with Turner’s syndrome lead healthy and fulfilling lives.

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  • Question 18 - You are a junior doctor in paediatrica and have been asked to perform...

    Incorrect

    • You are a junior doctor in paediatrica and have been asked to perform a newborn exam. Which statement is true regarding the Barlow and Ortolani manoeuvres?

      Your Answer:

      Correct Answer: It relocates a dislocation of the hip joint if this has been elicited during the Barlow manoeuvre

      Explanation:

      Understanding the Barlow and Ortolani Manoeuvres for Hip Dislocation Screening

      Hip dislocation is a common problem in infants, and early detection is crucial for successful treatment. Two screening tests commonly used are the Barlow and Ortolani manoeuvres. The Barlow manoeuvre involves adducting the hip while applying pressure on the knee, while the Ortolani manoeuvre flexes the hips and knees to 90 degrees, with pressure applied to the greater trochanters and thumbs to abduct the legs. A positive test confirms hip dislocation, and further investigation is necessary if risk factors are present, such as breech delivery or a family history of hip problems. However, a negative test does not exclude all hip problems, and parents should seek medical advice if they notice any asymmetry or walking difficulties in their child.

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  • Question 19 - A female infant is presenting with dyspnea and cyanosis. The mother attempted to...

    Incorrect

    • A female infant is presenting with dyspnea and cyanosis. The mother attempted to feed her but noticed milk coming out of her nose and difficulty breathing during feeding. Upon examination, the infant was found to be tachypneic and tachycardic with intercostal recession. A bulge was observed on the praecordium and an early systolic murmur was heard along the left sternal edge. The chest x-ray revealed cardiomegaly, a loss of the normal thymus shadow, and a right aortic notch. Blood tests were normal except for low corrected serum calcium. What is the most likely diagnosis?

      Your Answer:

      Correct Answer: DiGeorge syndrome

      Explanation:

      DiGeorge Syndrome

      DiGeorge syndrome is a genetic disorder caused by a deletion of chromosomal region 22q11.2. It affects around 1 in 3000 live births and is characterized by a spectrum of disorders. The poor migration of neural crest cells to the third and fourth pharyngeal pouches is thought to be the cause of the midline abnormalities found in DiGeorge syndrome. These abnormalities include cardiac defects, abnormal facies, thymic hypoplasia, and hypocalcemia.

      Characteristic facies develop as the child grows and include high broad noses, low set ears, small teeth, and narrow eyes. Other systems may also be affected, and cognitive and psychiatric problems are common but variable. Around 80% of patients have an associated cardiac defect, often of a conotruncal variety. Tetralogy of Fallot is also found, as are other defects such as ventricular septal defects and atrial septal defects.

      The diagnosis of DiGeorge syndrome can be difficult, but clinical features consistent with the diagnosis include abnormalities of heart sounds and features of cardiac failure or cyanosis. The chest x-ray helps with the diagnosis, and an echocardiogram and possibly high resolution contrast CT imaging would be helpful in these cases. The above example has a persistent truncus arteriosus, which is a failure to separate the aorta and the main pulmonary artery. This can lead to dyspnea, cyanosis, and cardiac failure.

      In summary, DiGeorge syndrome is a complex disorder that affects multiple systems in the body. Early diagnosis and management are crucial to prevent complications and improve outcomes for affected individuals.

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  • Question 20 - A 4-week-old boy has been experiencing vomiting after feeds. His mother reports that...

    Incorrect

    • A 4-week-old boy has been experiencing vomiting after feeds. His mother reports that he is extremely hungry, but shortly after consuming food, he has an episode of projectile vomiting. The vomit does not contain blood, bile or feces. Upon examination, a mass is detected in the epigastrium that is approximately the size of a small grape.
      What is the most probable diagnosis?

      Your Answer:

      Correct Answer: Infantile pyloric stenosis

      Explanation:

      Common Congenital Abnormalities of the Gastrointestinal Tract in Infants

      Infants can experience various congenital abnormalities of the gastrointestinal tract, which can lead to serious health complications. Here are some of the most common abnormalities and their characteristics:

      Infantile Pyloric Stenosis
      This condition occurs due to hypertrophy and hyperplasia of the pyloric muscle, leading to obstruction of the gastric outlet. Symptoms include non-bilious projectile vomiting within half an hour from feeding and failure to thrive. Diagnosis is via ultrasound, and treatment involves Ramstedt pyloromyotomy.

      Meckel’s Diverticulum
      This is the most common congenital abnormality of the small intestine, caused by persistence of the vitelline duct. Patients are usually asymptomatic, but can present with painless rectal bleeding, signs of obstruction, or acute appendicitis-like symptoms. Treatment involves excision of the diverticulum and adjacent ileal segment.

      Malrotation of the Small Intestine with Volvulus
      This occurs due to disrupted development of the bowel during the embryonic period. It can present acutely as a volvulus with abdominal pain and bilious vomiting. Treatment involves surgical intervention.

      Hirschsprung’s Disease
      This is a congenital disorder caused by absent ganglia in the distal colon, resulting in functional obstruction. Infants present within the first 48 hours of life, having not passed meconium. Diagnosis is via rectal biopsy, and treatment involves surgical intervention.

      Imperforate Anus
      This is a congenital malformation occurring with an incidence of 1 in 5000 births. Infants may have abdominal distension and fail to produce meconium. Treatment involves intravenous hydration and surgical evaluation.

      In conclusion, early diagnosis and prompt treatment of these congenital abnormalities are crucial for the health and well-being of infants.

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  • Question 21 - Liam, a 13-year-old with learning difficulties, visits his GP clinic. Following a practice...

    Incorrect

    • Liam, a 13-year-old with learning difficulties, visits his GP clinic. Following a practice meeting, it is concluded that Liam does not possess the capacity to make decisions regarding his medical treatment. What principles should be prioritized when making decisions for Liam?

      Your Answer:

      Correct Answer: Consent may be given by one parent for the treatment that is in her best interests

      Explanation:

      The GMC provides comprehensive guidance on obtaining consent from children. In cases where a child is incapable of giving consent, the agreement of one parent is adequate for treatment to be administered, provided it is in the child’s best interests. It is also crucial to involve Dawn in the decision-making process, despite her incapacity.

      Guidelines for Obtaining Consent in Children

      The General Medical Council has provided guidelines for obtaining consent in children. According to these guidelines, young people who are 16 years or older can be treated as adults and are presumed to have the capacity to make decisions. However, for children under the age of 16, their ability to understand what is involved determines whether they have the capacity to decide. If a competent child refuses treatment, a person with parental responsibility or the court may authorize investigation or treatment that is in the child’s best interests.

      When it comes to providing contraceptives to patients under 16 years of age, the Fraser Guidelines must be followed. These guidelines state that the young person must understand the professional’s advice, cannot be persuaded to inform their parents, is likely to begin or continue having sexual intercourse with or without contraceptive treatment, and will suffer physical or mental health consequences without contraceptive treatment. Additionally, the young person’s best interests require them to receive contraceptive advice or treatment with or without parental consent.

      Some doctors use the term Fraser competency when referring to contraception and Gillick competency when referring to general issues of consent in children. However, rumors that Victoria Gillick removed her permission to use her name or applied copyright have been debunked. It is important to note that in Scotland, those with parental responsibility cannot authorize procedures that a competent child has refused.

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  • Question 22 - A 2-week-old infant is presented with vomiting, feeding intolerance, and abdominal distension. During...

    Incorrect

    • A 2-week-old infant is presented with vomiting, feeding intolerance, and abdominal distension. During examination, it is observed that the nappy contains watery stools with specks of blood. An abdominal X-ray is performed, which shows gas cysts in the bowel wall. What is the probable diagnosis?

      Your Answer:

      Correct Answer: Necrotizing enterocolitis

      Explanation:

      The most likely diagnosis is necrotizing enterocolitis based on the symptoms and the presence of gas cysts in the bowel wall on the abdominal x-ray. While Intussusception can also cause vomiting and abdominal distention, it is typically characterized by rectal bleeding that resembles red currant jelly. Additionally, Intussusception is more common in infants between 3-12 months of age, making it unlikely in a 1-week-old infant. An abdominal x-ray in Intussusception would show intestinal obstruction rather than gas cysts.

      Understanding Necrotising Enterocolitis

      Necrotising enterocolitis is a serious condition that is responsible for a significant number of premature infant deaths. The condition is characterized by symptoms such as feeding intolerance, abdominal distension, and bloody stools. If left untreated, these symptoms can quickly progress to more severe symptoms such as abdominal discolouration, perforation, and peritonitis.

      To diagnose necrotising enterocolitis, doctors often use abdominal x-rays. These x-rays can reveal a number of important indicators of the condition, including dilated bowel loops, bowel wall oedema, and intramural gas. Other signs that may be visible on an x-ray include portal venous gas, pneumoperitoneum resulting from perforation, and air both inside and outside of the bowel wall. In some cases, an x-ray may also reveal air outlining the falciform ligament, which is known as the football sign.

      Overall, understanding the symptoms and diagnostic indicators of necrotising enterocolitis is crucial for early detection and treatment of this serious condition. By working closely with healthcare professionals and following recommended screening protocols, parents and caregivers can help ensure the best possible outcomes for premature infants at risk for this condition.

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  • Question 23 - A 6-month-old girl with poor weight gain is brought to see the pediatrician....

    Incorrect

    • A 6-month-old girl with poor weight gain is brought to see the pediatrician. Her growth has slowed crossing 1 centile but her weight has fallen from 50th to 9th centile in the last two months.
      She began weaning at 4 months with a variety of foods. Her mother says she eats well and has no other specific symptoms. On examination she appears emaciated with abdominal distension. She is rolling over and making appropriate cooing sounds.
      What is the probable diagnosis?

      Your Answer:

      Correct Answer: Gluten-sensitive enteropathy

      Explanation:

      Coeliac Disease and Failure to Thrive in Children

      Coeliac disease is a condition that usually appears after weaning and is characterized by gastrointestinal symptoms and weight loss. In children, failure to thrive may be a sign of coeliac disease, especially if they eat well and have been weaned at an appropriate age. Abdominal distension, vomiting, diarrhoea, and weight loss are the most common symptoms of coeliac disease, but it can also present with muscle wasting, anaemia, and vitamin deficiencies.

      Cystic fibrosis is another condition that can cause failure to thrive, but it typically presents with a history of respiratory infections or meconium ileus in childhood. If tests for coeliac disease are negative, cystic fibrosis may be considered. Cushing’s syndrome can cause central adiposity with muscle wasting, but it is not the same as abdominal distension. Hyperthyroidism is extremely rare during infancy, and lactose intolerance presents with marked vomiting and diarrhoea, which is not consistent with the timing of weaning seen in coeliac disease.

      In summary, failure to thrive in children may be a sign of coeliac disease, especially if they have been weaned at an appropriate age and are eating well. Other conditions, such as cystic fibrosis, Cushing’s syndrome, hyperthyroidism, and lactose intolerance, should also be considered and ruled out through appropriate testing.

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  • Question 24 - You are asked to help with the resuscitation of a premature neonate who...

    Incorrect

    • You are asked to help with the resuscitation of a premature neonate who is displaying respiratory distress immediately after birth at 36 +4 weeks. During auscultation of the precordium, you observe the absence of heart sounds on the left side but can hear tinkling sounds. Additionally, the infant is exhibiting cyanosis.

      What is the most appropriate initial course of action?

      Your Answer:

      Correct Answer: Intubation and ventilation

      Explanation:

      If you hear bowel sounds during a respiratory exam of a neonate experiencing respiratory distress, it may indicate the presence of a diaphragmatic hernia. This condition occurs when abdominal organs protrude through a hole in the diaphragm, typically on the left side, leading to underdeveloped lungs and breathing difficulties. The sound of bowel in the chest cavity causes the bowel sounds to be audible. The heart sounds may also be louder on the right side due to the displacement of the heart. The initial treatment involves inserting a nasogastric tube to prevent air from entering the gut, but for a cyanotic patient, intubation and ventilation are necessary. Surgical repair of the diaphragm is the definitive treatment. BIPAP and CPAP are not appropriate for this condition, as they are used to keep the airway open in conditions such as COPD or respiratory distress syndrome. Facemask ventilation and nasal cannulae should be avoided as they increase the risk of air entering the gut, and an artificial airway is necessary to ensure adequate oxygenation.

      Understanding Congenital Diaphragmatic Hernia

      Congenital diaphragmatic hernia (CDH) is a rare condition that affects approximately 1 in 2,000 newborns. It occurs when the diaphragm, a muscle that separates the chest and abdominal cavities, fails to form completely during fetal development. As a result, abdominal organs can move into the chest cavity, which can lead to underdeveloped lungs and high blood pressure in the lungs. This can cause respiratory distress shortly after birth.

      The most common type of CDH is a left-sided posterolateral Bochdalek hernia, which accounts for about 85% of cases. This type of hernia occurs when the pleuroperitoneal canal, a structure that connects the chest and abdominal cavities during fetal development, fails to close properly.

      Despite advances in medical treatment, only about 50% of newborns with CDH survive. Early diagnosis and prompt treatment are crucial for improving outcomes. Treatment may involve surgery to repair the diaphragm and move the abdominal organs back into their proper position. In some cases, a ventilator or extracorporeal membrane oxygenation (ECMO) may be necessary to support breathing until the lungs can function properly. Ongoing care and monitoring are also important to manage any long-term complications that may arise.

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  • Question 25 - A 28-year-old woman who has never given birth before goes into spontaneous labour...

    Incorrect

    • A 28-year-old woman who has never given birth before goes into spontaneous labour and you are assisting in the vaginal delivery of a baby girl weighing 3.2 kg. To assess the newborn's health, you use the Apgar score. Can you provide the correct components of the Apgar score?

      Your Answer:

      Correct Answer: Pulse, respiratory effort, colour, muscle tone, reflex irritability

      Explanation:

      To evaluate the well-being of a newborn, medical professionals use the Apgar scoring system. This system takes into account the infant’s pulse, respiratory function, skin color, muscle tone, and reflex response.

      The Apgar score is a tool used to evaluate the health of a newborn baby. It is recommended by NICE to be assessed at 1 and 5 minutes after birth, and again at 10 minutes if the initial score is low. The score is based on five factors: pulse, respiratory effort, color, muscle tone, and reflex irritability. A score of 0-3 is considered very low, 4-6 is moderate low, and 7-10 indicates that the baby is in good health. The score helps healthcare professionals quickly identify any potential issues and provide appropriate care.

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  • Question 26 - A 13-year-old girl presented with cystic hygroma and significant oedema. At the age...

    Incorrect

    • A 13-year-old girl presented with cystic hygroma and significant oedema. At the age of 27, she had a short stature, a webbed neck and a broad, shield-like chest. She did not develop secondary sexual characteristics at the appropriate age. What is the most probable diagnosis?

      Your Answer:

      Correct Answer: Turner syndrome

      Explanation:

      Genetic Disorders Affecting Sexual Development

      Turner Syndrome, Congenital Adrenal Hyperplasia, Klinefelter’s Syndrome, Androgen Insensitivity Syndrome, and 5-α Reductase Deficiency are genetic disorders that affect sexual development.

      Turner Syndrome is a condition where a woman is missing a whole or part of an X chromosome. This can cause delayed puberty, failure to develop normal secondary sexual characteristics, and cardiovascular abnormalities.

      Congenital Adrenal Hyperplasia is a group of conditions associated with abnormal enzymes involved in the production of hormones from the adrenals. This can cause ambiguous genitalia at birth and symptoms of polycystic ovary syndrome in women, and hyperpigmentation in men.

      Klinefelter’s Syndrome is a chromosomal aneuploidy where men carry an extra X chromosome. This can cause tall stature, hypogonadism, gynaecomastia, and delayed motor and language development.

      Androgen Insensitivity Syndrome is a condition where patients with a male karyotype fail to respond to androgen hormones and thus develop female external genitalia and characteristics. Treatment involves careful gender assignment and hormone replacement therapy.

      5-α Reductase Deficiency is a condition associated with an inability to convert testosterone to dihydrotestosterone, leading to abnormal sexual development and infertility.

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  • Question 27 - A 68-year-old man of African descent with a family history of cancer presented...

    Incorrect

    • A 68-year-old man of African descent with a family history of cancer presented with an elevated PSA level of 23 ng/ml and was diagnosed with adenocarcinoma with a Gleason score of 7. Magnetic resonance imaging revealed abnormal signals on both sides of the prostate, and a bone scan showed two bone metastatic lesions. The clinical stage was T2 N0 M1b, and he received surgical and hormonal treatment. Genetic testing was performed to determine the most likely mutation he has.

      What mutation is he most likely to have?

      Your Answer:

      Correct Answer: BRCA mutation

      Explanation:

      Men who carry BRCA mutations are at a higher risk of developing prostate cancer, particularly those with the BRCA2 gene which is associated with a more aggressive form of the disease. BRCA1 and BRCA2 are tumor suppressor genes that are inherited in an autosomal dominant manner with incomplete penetrance. On the other hand, APC mutation is not a major contributor to the development of clinical prostate cancer, as it is primarily responsible for colorectal tumors, often accompanied by ras and p53 mutations. BRAF mutation is an incorrect answer, as it is rare in both early and late-stage prostate cancer, but is found in approximately 50% of melanomas.

      Understanding Tumour Suppressor Genes

      Tumour suppressor genes are responsible for controlling the cell cycle and preventing the development of cancer. When these genes lose their function, the risk of cancer increases. However, it is important to note that both alleles of the gene must be mutated before cancer can occur.

      There are several examples of tumour suppressor genes, including p53, APC, BRCA1 & BRCA2, NF1, Rb, WT1, and MTS-1 (p16). These genes are associated with various types of cancer, such as colorectal cancer, breast and ovarian cancer, neurofibromatosis, retinoblastoma, Wilm’s tumour, and melanoma.

      It is crucial to understand the role of tumour suppressor genes in preventing cancer and the consequences of their loss of function. In contrast to oncogenes, which result in an increased risk of cancer due to a gain of function, tumour suppressor genes must be both mutated before cancer can occur. By studying these genes and their functions, researchers can develop new strategies for cancer prevention and treatment.

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  • Question 28 - A newborn delivered 12 hours ago without any complications is showing signs of...

    Incorrect

    • A newborn delivered 12 hours ago without any complications is showing signs of jaundice. The mother gave birth at home and has been breastfeeding, but is concerned about the baby's skin color. The baby was born at 38 weeks gestation. What is the recommended course of action for management?

      Your Answer:

      Correct Answer: Referral for paediatric assessment

      Explanation:

      Since the infant is just 15 hours old, the jaundice is considered pathological. This implies that it is not related to breastfeeding, and the appropriate course of action would be to promptly seek a paediatric evaluation.

      Jaundice in newborns can occur within the first 24 hours of life and is always considered pathological. The causes of jaundice during this period include rhesus and ABO haemolytic diseases, hereditary spherocytosis, and glucose-6-phosphodehydrogenase deficiency. On the other hand, jaundice in neonates from 2-14 days is common and usually physiological, affecting up to 40% of babies. This type of jaundice is due to a combination of factors such as more red blood cells, fragile red blood cells, and less developed liver function. Breastfed babies are more likely to develop this type of jaundice.

      If jaundice persists after 14 days (21 days for premature babies), a prolonged jaundice screen is performed. This includes tests for conjugated and unconjugated bilirubin, direct antiglobulin test, thyroid function tests, full blood count and blood film, urine for MC&S and reducing sugars, and urea and electrolytes. Prolonged jaundice can be caused by biliary atresia, hypothyroidism, galactosaemia, urinary tract infection, breast milk jaundice, prematurity, and congenital infections such as CMV and toxoplasmosis. Breast milk jaundice is more common in breastfed babies and is thought to be due to high concentrations of beta-glucuronidase, which increases the intestinal absorption of unconjugated bilirubin. Prematurity also increases the risk of kernicterus.

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  • Question 29 - A 3-year-old child has a 24-hour history of being generally unwell with a...

    Incorrect

    • A 3-year-old child has a 24-hour history of being generally unwell with a barking cough. Their parent says they make a loud noise when they breathe in and their symptoms are worse at night. They have a temperature of 38.5 °C.
      What is the most probable diagnosis?

      Your Answer:

      Correct Answer: Croup

      Explanation:

      Differential Diagnosis for a Child with Inspiratory Stridor and Barking Cough

      Croup is a common respiratory illness in children under 2 years old, characterized by inspiratory stridor and a barking cough. Other symptoms include hoarseness, fever, and dyspnea, which are usually worse at night. The illness can last up to 7 days, with the first 24-48 hours being the most severe.

      Asthma, on the other hand, presents differently with wheezing and chest tightness, rather than inspiratory stridor. While shortness of breath, especially at night, is a common symptom, it does not account for the fever.

      Simple viral cough is a possible differential, but the absence of other systemic symptoms makes croup more likely.

      Whooping cough is not indicated by this history.

      Bronchiolitis usually presents less acutely, with difficulty feeding and general malaise during the incubation period, followed by dyspnea and wheezing. Therefore, it is less likely to be the cause of the child’s symptoms.

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      • Paediatrics
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  • Question 30 - A 4-year-old child was admitted with a high fever, cervical lymph node enlargement,...

    Incorrect

    • A 4-year-old child was admitted with a high fever, cervical lymph node enlargement, conjunctival congestion, redness of lips and palms, and desquamation of fingertips. Upon examination, erythema of the oral cavity was observed. Blood tests showed a hemoglobin level of 110 g/l and a platelet count of 450,000. The symptoms resolved after two weeks, but during the third week, the child unexpectedly passed away. An autopsy revealed vasculitis of the coronary arteries and aneurysm formation. What is the most likely diagnosis?

      Your Answer:

      Correct Answer: Kawasaki’s disease

      Explanation:

      Understanding Kawasaki’s Disease and Differential Diagnosis

      Kawasaki disease, also known as mucocutaneous lymph node syndrome, is a multisystem disease that primarily affects children under the age of 5. It is characterized by fever, cervical adenitis, and changes in the skin and mucous membranes. While generally benign and self-limited, it can lead to coronary artery aneurysms in 25% of cases and has a case-fatality rate of 0.5-2.8%. Treatment with high-dose intravenous globulin and aspirin has been shown to be effective in reducing the prevalence of coronary artery abnormalities.

      When considering a differential diagnosis, it is important to distinguish Kawasaki disease from other conditions with similar symptoms. Scarlet fever, rheumatic fever, diphtheria, and Marfan syndrome can all present with fever and cardiovascular involvement, but each has distinct clinical features and underlying pathophysiologic mechanisms. Careful evaluation and diagnosis are essential for appropriate treatment and management.

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